B497 - ADDENDUM 1

GREGORY A. TRAMONTOZZI
BRENDAN MURPHY
Executive Director
Chairman
LUIS A. QUINTANA THOMAS A. FUSCALDO
Vice Chairman
Acting Clerk
ELIZABETH CALABRESE
JOHN J. COSGROVE
C.LAWRENCE CRUMP "Protecting Public Health and the Environment"
JAMES P. DORAN
600 Wilson Avenue, Newark, New Jersey 07105
JOSEPH F. ISOLA
HECTOR C. LORA (973)344-1800
JOSHUA A. ZIELINSKI
(973)344-2951- fax
Commissioners
www.nj.gov/pvsc
Addendum No. 1
TO ALL HOLDERS OF RECORD OF PVSC BIDDING CONTRACT
DOCUMENTS DATED April 2026 FOR:
Contract No. B497
RECONDITIONING AIR COMPRESSORS AT THE SLUDGE HEAT TREATMENT
FACILITY FOR A TWO (2) YEAR PERIOD
Addendum No. 1 April 13, 2026
Specification Change
1. Add Section VBL 1 through VBL-4 - BID SHEET (As attached on following sheets)
END OF ADDENDUM NO. 1
Note:
This Addendum is issued for the purpose of amending the contents of the Contract
Documents and is hereby made part of the said Contract Documents to the same extent as
though it were originally included therein.
Please Remember
Bidders must acknowledge receipt of this Addendum on the Acknowledgement of
Receipt of Changes to Bid Document Form (00402) when submitting the Bid. Failure
to acknowledge receipt of the Addendum in writing with the bid is a mandatory cause
for the bid to be rejected.

Passaic Valley Sewerage Commission
BID SHEET B497
RECONDITIONING AIR COMPRESSORS AT THE SLUDGE HEAT TREATMENT
FACILITY FOR A TWO (2) YEAR PERIOD
CONT. ITEM SEC.
LINE ITEM DESCRIPTION UNIT PRICE
11372
1 Reboring First Stage Cylinders I
2 Reboring Second Stage Cylinders I
3 Reboring Third Stage Cylinders I
4 Reboring Fourth Stage Cylinders I
Remove and install cylinder liners First Stage Liner
5 II
supplied by PVSC
Remove and install cylinder liners. Second Stage Liner
6 II
supplied by PVSC
Remove and install cylinder liners Third Stage Liner
7 II
supplied by PVSC
Remove and install cylinder liners Fourth Stage Liner
8 II
supplied by PVSC
Remove and install cylinder liner First Stage Liner
9 II
supplied by Vendor
Remove and install cylinder liner Second Stage Liner
10 II
supplied by Vendor
Remove and install cylinder liner Third Stage Liner
11 II
supplied by Vendor
Remove and install cylinder liner Fourth Stage Liner
12 II
supplied by Vendor
Rebore Cylinder on Site
13 III
First Stage
Rebore Cylinder on Site
14 III
Second Stage
Rebore Cylinder on Site
15 III
Third Stage
Rebore Cylinder on Site
16 III
Fourth Stage
Machine piston ring groove width 1" Width Of First
17 IV
Stage Piston
Machine piston ring groove width1.031" Width Of First
18 IV
Stage Piston
VBL-1

Passaic Valley Sewerage Commission
BID SHEET B497
RECONDITIONING AIR COMPRESSORS AT THE SLUDGE HEAT TREATMENT
FACILITY FOR A TWO (2) YEAR PERIOD
CONT. ITEM SEC.
LINE ITEM DESCRIPTION UNIT PRICE
11372
Machine piston ring groove width 1.062" Width Of First
19 IV
Stage Piston
Repair Piston rod
20 V
First Stage
Repair Piston rod
21 V
Second Stage
Repair Piston rod
22 V
Third Stage
Repair Piston rod
23 V
Fourth Stage
Provide rider rings on expanders for
24 VI
First Stage
Provide rider rings on expanders for
25 VI
Second Stage
Provide rider rings on expanders for
26 VI
Third Stage
Provide rider rings on expanders
27 VI
Third Stage For nominal 9.678" Bore Cylinder
Provide rider rings on expanders
28 VI
Fourth Stage For Nominal 6" Bore Cylinder
Provide rider rings on expanders
29 VI
Fourth Stage For Nominal 6.112" Bore Cylinder
Provide rider rings on expanders
30 VI
Fourth Stage For Nominal 6.125" Bore Cylinder
Provide rider rings on expanders
31 VI
Fourth Stage For Nominal 6.150" Bore Cylinder
Provide rider rings on expanders
32 VI
Fourth Stage
Provide rider rings on expanders
33 VI
Fourth Stage For Nominal 6.190" Bore Cylinder
Provide Compression rings for pistons
34 VII
First Stage With nominal groove width
Provide Compression rings for pistons
35 VII
First Stage With 1" groove width
Provide Compression rings for pistons
36 VII
First Stage With 1.031" groove width
VBL-2

Passaic Valley Sewerage Commission
BID SHEET B497
RECONDITIONING AIR COMPRESSORS AT THE SLUDGE HEAT TREATMENT
FACILITY FOR A TWO (2) YEAR PERIOD
CONT. ITEM SEC.
LINE ITEM DESCRIPTION UNIT PRICE
11372
Provide Compression rings for pistons
37 VII
First Stage With 1.062" groove width
Provide Compression rings for pistons
38 VII
Second Stage with nominal groove width
Provide Compression rings for pistons
39 VII
Third Stage with nominal groove width
Provide Compression rings for pistons
40 VII
Third Stage with nominal 9.678" Bore Cylinder
Provide Compression rings for pistons
41 VII
Fourth Stage with nominal 6" Bore Cylinder
Provide Compression rings for pistons
42 VII
Fourth Stage with nominal 6.112" Bore Cylinder
Provide Compression rings for pistons
43 VII
Fourth Stage
Provide Compression rings for pistons
44 VII
Fourth Stage with nominal 6.125" Bore Cylinder
Provide Compression rings for pistons
45 VII
Fourth Stage with nominal 6.160" Bore Cylinder
Provide Compression rings for pistons
46 VII
Fourth Stage with nominal 6.190" Bore Cylinder
st nd rd
Provide 1 , 2 and 3 stage packing for 2-1/2 in. dia.
47 VIII
piston rod.
48 Provide 4 th stage packing for 2-1/2 in. dia. piston rod VIII
First Stage Recondition 28" Aluminum Center Piston
49 Carrier (Hard Anodized) to Original OEM Dimensions of IX
0.875" Piston Ring Groove Width
50 First Stage Recondition the Oil Wiper Gland X
51 Second Stage Recondition the Oil Wiper Gland X
52 Third Stage Recondition the Oil Wiper Gland X
53 Fourth Stage Recondition the Oil Wiper Gland X
54 First and Second Stages Recondition Packing Case XI
VBL-3

Passaic Valley Sewerage Commission
BID SHEET B497
RECONDITIONING AIR COMPRESSORS AT THE SLUDGE HEAT TREATMENT
FACILITY FOR A TWO (2) YEAR PERIOD
CONT. ITEM SEC.
LINE ITEM DESCRIPTION UNIT PRICE
11372
55 Third Stage Recondition Packing Case XI
56 Fourth Stage Recondition Packing Case XI
57 Provide Wiper Rings, Part No. 300024F3C -
VBL-4